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Shimano

SHIMANO UN300 SQUARE TAPER BB set (Bottom Bracket)

SHIMANO UN300 SQUARE TAPER BB set (Bottom Bracket)

Regular price ₹1,110
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SHIMANO UN300 SQUARE TAPER BB Set (Bottom Bracket)

Elevate your drivetrain with Shimano's UN300 bottom bracket, featuring advanced chainline stabilizer technology for superior shifting performance and efficiency.

Key Benefits:

  • Integrated chainline stabilizer ensures optimal chain alignment, delivering smoother shifts and reduced drivetrain wear
  • Shimano quality cartridge bearing design provides reliable, maintenance-free performance ride after ride
  • Durable aluminum adapter material combines lightweight construction with long-lasting strength

Technical Specifications:

  • Model: Shimano BB-UN300
  • Spindle Type: Square Taper
  • Structure Options: Standard, E-type, Chaincase configurations
  • Adapter Material: Aluminum
  • Type: Cartridge bearing, sealed design

Compatibility:

  • Fits standard BB shells with square taper cranks
  • Multiple structure options accommodate various frame and drivetrain configurations

Package Contents:

  • 1x Shimano UN300 Bottom Bracket (bolt not included)

Important Notes: Crank arm fixing bolts are NOT included—please ensure you have compatible hardware before installation. The chainline stabilizer technology represents a significant upgrade over basic bottom brackets, providing measurably better shifting performance and drivetrain longevity. Professional installation recommended for optimal results.

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